The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Oct. 23, 2018
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Mao Kawamura, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02M 3/335 (2006.01); B60L 3/00 (2019.01);
U.S. Cl.
CPC ...
H02M 1/327 (2021.05); H02M 3/33507 (2013.01); H02M 3/33569 (2013.01); B60L 3/00 (2013.01);
Abstract
In order to cause an output to be continued while protecting a DC-DC converter including a temperature detector from overheating, without stopping an operation or excessively reducing an output, even when an abnormality has occurred in a cooler or the temperature detector has failed, a controller sets current values at which a control using droop characteristics is started in a multiple of stages in accordance with temperature values, and carries out the control using droop characteristics by switching the current value in accordance with a temperature detected by the temperature detector.